4 CHANNEL
Down4Sound 4 channel amplifiers are among the most popular car audio amplifiers on the market. They are available in various power levels, from 400W up to 6000W. Our 4 channel amplifiers are offered in Class D or Class AB technology, and all of them can produce more power than their advertised ratings. 3rd party 4-channel amplifier review & dyno videos are available within each listing, so you can see how much power these amplifiers can produce. When choosing a four channel amplifier for your car audio system, the sky is truly the limit.
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On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - TEAL | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Teal is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive...MM1604-TL-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - RED | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Red is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive...MM1604-RD-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - PURPLE | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Purple is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to...MM1604-PU-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - ORANGE | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Orange is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to...MM1604-OR-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - GREEN | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Green is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to...MM1604-GR-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - GRAY | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Gray is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive...MM1604-GY-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - CAMO | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx Camo is a compact 4 channel full range Class D car audio amplifier built for clean installs and efficient power delivery. Rated at 600W RMS, it is designed to drive...MM1604-CM-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - BLUE | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Blue is a compact 4 channel full range Class D car audio amplifier delivering 600W RMS of clean, efficient power for modern performance systems. Designed for clean...MM1604-BL-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | MM1604 (MINI MAXX) - BLACK GLOSS | 600W RMS MINI | 4 CHANNEL CAR AUDIO AMPLIFIER
DOWN4SOUND
MSRP: $468.32Now: $250.21Was: $294.37The DOWN4SOUND MM1604 Mini Maxx in Black Gloss is a compact 4 channel full range Class D car audio amplifier delivering 600W RMS of clean, efficient power for modern performance systems. Designed for...MM1604-BKG-MSRP: $468.32Now: $250.21Was: $294.37 -
On Sale
DOWN4SOUND | JP34 AB CAMO | 590W RMS | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$318.45 - $385.35*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the JP 34 CAMO CLASS AB Amplifier: A Robust 590W RMS...JP34AB-CM-$318.45 - $385.35 -
On Sale
DOWN4SOUND | JP284 - CAMO | 3000W | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$454.94 - $521.83*Disclaimer - This amplifier has been hydro dipped and may exhibit imperfections, as the design is not applied through painting.* Introducing the JP 284 CAMO CLASS D Amplifier: The Ultimate...JP284-CM-$454.94 - $521.83Qty in Cart: 0Quantity:Price:$454.94 - $521.83Subtotal: -
On Sale
DOWN4SOUND | MM1004 (MINI MAXX) - BLACK GLOSS | 700W RMS MINI | 4 CHANNEL AMPLIFIER
DOWN4SOUND
$216.09 - $242.84Unleash the sound of music to it full potential with the MM1004 a BLACK GLOSS MINI 4-Channel Amplifier Designed to be compact with band-passable crossovers X1 & X10, this dynamic amplifier allows you...MM1004-BKG-$216.09 - $242.84